Question: Who is the employer conservatory of Pyotr llyich Tchaikovsky?
Paraphrase: Pyotr llyich Tchaikovsky employer of conservatory was?
SPARQL (Wikidata):  select distinct ?obj where { wd:Q7315 wdt:P108 ?obj . ?obj wdt:P31 wd:Q184644 } 
Answer: Moscow Conservatory